DE602004021333D1 - Wälzlagereinheit mit einer verbesserten elektrischen Korrosionsbeständigkeit - Google Patents

Wälzlagereinheit mit einer verbesserten elektrischen Korrosionsbeständigkeit

Info

Publication number
DE602004021333D1
DE602004021333D1 DE602004021333T DE602004021333T DE602004021333D1 DE 602004021333 D1 DE602004021333 D1 DE 602004021333D1 DE 602004021333 T DE602004021333 T DE 602004021333T DE 602004021333 T DE602004021333 T DE 602004021333T DE 602004021333 D1 DE602004021333 D1 DE 602004021333D1
Authority
DE
Germany
Prior art keywords
corrosion resistance
rolling bearing
bearing unit
improved electrical
electrical corrosion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE602004021333T
Other languages
German (de)
English (en)
Inventor
Naoaki Tsuji
Hideji Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTN Corp
Original Assignee
NTN Corp
NTN Toyo Bearing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTN Corp, NTN Toyo Bearing Co Ltd filed Critical NTN Corp
Publication of DE602004021333D1 publication Critical patent/DE602004021333D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/62—Selection of substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
    • F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2202/00—Solid materials defined by their properties
    • F16C2202/30—Electric properties; Magnetic properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Coating By Spraying Or Casting (AREA)
DE602004021333T 2003-10-31 2004-10-29 Wälzlagereinheit mit einer verbesserten elektrischen Korrosionsbeständigkeit Expired - Lifetime DE602004021333D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003371975A JP2005133876A (ja) 2003-10-31 2003-10-31 電食防止型転がり軸受

Publications (1)

Publication Number Publication Date
DE602004021333D1 true DE602004021333D1 (de) 2009-07-16

Family

ID=34420230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004021333T Expired - Lifetime DE602004021333D1 (de) 2003-10-31 2004-10-29 Wälzlagereinheit mit einer verbesserten elektrischen Korrosionsbeständigkeit

Country Status (5)

Country Link
US (1) US7503697B2 (https=)
EP (1) EP1528274B1 (https=)
JP (1) JP2005133876A (https=)
CN (1) CN100354542C (https=)
DE (1) DE602004021333D1 (https=)

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JP4901350B2 (ja) * 2005-08-02 2012-03-21 株式会社東芝 熱電変換装置及びその製造方法
WO2007049727A1 (ja) * 2005-10-27 2007-05-03 Nsk Ltd. 電食防止用絶縁転がり軸受及びその製造方法と軸受装置
JP4826427B2 (ja) * 2005-10-27 2011-11-30 日本精工株式会社 電食防止用絶縁転がり軸受及びその製造方法
JP4855761B2 (ja) * 2005-10-31 2012-01-18 Ｎｔｎ株式会社 転がり軸受
KR20080100269A (ko) * 2006-03-08 2008-11-14 에누티에누 가부시키가이샤 롤링 베어링 및 그 제조방법
JP4746503B2 (ja) * 2006-09-15 2011-08-10 Ｎｔｎ株式会社 モータ用電食防止転がり軸受
JP5052120B2 (ja) * 2006-12-22 2012-10-17 Ｎｔｎ株式会社 封孔処理剤塗布装置および封孔処理方法
SE530892C2 (sv) * 2007-06-01 2008-10-07 Skf Ab En lagerkomponent för ett rullningslager eller ett glidlager
DE102007042372A1 (de) * 2007-09-06 2009-04-02 Schaeffler Kg Lagerring
US8529136B2 (en) * 2009-03-30 2013-09-10 Wafertech, Llc High temperature ball bearing
CN101692590B (zh) * 2009-08-10 2011-09-07 南阳防爆集团股份有限公司 电机绝缘轴承装置及其制造方法
US8393791B2 (en) * 2009-08-17 2013-03-12 The Boeing Company Bearing side face electrical isolation
DE102009056349A1 (de) * 2009-11-30 2011-06-01 Schaeffler Technologies Gmbh & Co. Kg Wälzlager
CN101782106A (zh) * 2010-03-18 2010-07-21 苏州至顺表面科技有限公司 陶瓷涂层绝缘轴承及其制备方法
CN102032274A (zh) * 2010-12-30 2011-04-27 卧龙电气集团股份有限公司 防电蚀轴承
CN102812259B (zh) * 2011-01-26 2015-04-15 日本精工株式会社 壳式滚针轴承及十字轴式万向接头
JP2013085441A (ja) * 2011-06-03 2013-05-09 Panasonic Corp モールドモータ
JP5905681B2 (ja) * 2011-08-23 2016-04-20 Ntn株式会社 転がり軸受
DE102011085884B4 (de) * 2011-11-08 2021-10-21 Zf Friedrichshafen Ag Drehmomentübertragungseinrichtung mit elektrischer Isolierung
DE102012202155A1 (de) * 2012-02-14 2013-08-14 Schaeffler Technologies AG & Co. KG Wälzlager
EP2628822B1 (en) * 2012-02-15 2015-05-20 IHI Hauzer Techno Coating B.V. Current insulated bearing components and bearings
US8523733B1 (en) * 2012-07-30 2013-09-03 Ford Global Technologies, Llc Vehicle driveline differential with improved efficiency during vehicle cold starts
JP5850464B2 (ja) * 2013-03-28 2016-02-03 トーカロ株式会社 電蝕防止用転がり軸受
JP6120361B2 (ja) * 2013-03-28 2017-04-26 トーカロ株式会社 電飾防止用転がり軸受の製造方法
DE102013104186A1 (de) 2013-04-25 2014-10-30 Coatec Gmbh Lagerring, elektrisch isolierende Beschichtung und Verfahren zum Aufbringen einer elektrisch isolierenden Beschichtung
CN103475140B (zh) * 2013-09-22 2015-11-25 首钢京唐钢铁联合有限责任公司 一种自短路绝缘轴承
US9157474B2 (en) * 2013-09-30 2015-10-13 Bell Helicopter Textron Inc. System and method of monitoring wear in a bearing
DE102013223677A1 (de) * 2013-11-20 2015-05-21 Schaeffler Technologies AG & Co. KG Wälzkörperkranz mit Sandwichblech
US9482283B2 (en) * 2014-06-05 2016-11-01 Siemens Aktiengesellschaft Bearing insulation
EP3006751B1 (en) 2014-09-17 2018-11-07 Roller Bearing Company of America, Inc. System for isolating electrical current in a bearing for use in an aircraft structure
CN104214226B (zh) * 2014-09-24 2016-09-07 如皋市非标轴承有限公司 一种玻璃纤维复合回转轴承的制造方法
JP6590686B2 (ja) 2014-12-24 2019-10-16 トーカロ株式会社 絶縁軸受、並びに軸受のコーティング方法
WO2017179634A1 (ja) * 2016-04-12 2017-10-19 日本精工株式会社 絶縁軸受
FR3058587B1 (fr) * 2016-11-08 2021-06-18 Valeo Systemes De Controle Moteur Compresseur electrique avec roulement ameliore
JP7134639B2 (ja) 2017-03-24 2022-09-12 アクティエボラゲット・エスコーエッフ 電気絶縁層を含む転がり軸受
DE202017101725U1 (de) 2017-03-24 2017-04-11 Aktiebolaget Skf Wälzlager mit einer elektrisch isolierenden Schicht
DE102017205015A1 (de) 2017-03-24 2018-09-27 Aktiebolaget Skf Wälzlager mit einer elektrisch isolierenden Schicht
US10422384B2 (en) * 2018-01-25 2019-09-24 Aktiebolaget Skf Electrical insulating device for bearings
US10931179B2 (en) 2018-03-20 2021-02-23 Aktiebolaget Skf Fiber grounding brush
DE102018206242A1 (de) * 2018-04-24 2019-10-24 Aktiebolaget Skf Wälzlager, das elektrisches Isolierungsmaterial hat, und Herstellungsverfahren eines solchen Wälzlagers
DE102020131772A1 (de) 2020-12-01 2022-06-02 Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Körperschaft des öffentlichen Rechts Lagerbauteil, Verfahren zu dessen Herstellung, sowie Wälzlager oder Gleitlager
FR3131764B1 (fr) * 2022-01-10 2023-12-29 Skf Svenska Kullagerfab Ab Dispositif de palier à isolation électrique intégrée, notamment pour moteur ou machine électrique

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JPH0789690B2 (ja) 1988-08-05 1995-09-27 財団法人電力中央研究所 極低温ケーブルの布設方法
JP2665242B2 (ja) * 1988-09-19 1997-10-22 東陶機器株式会社 静電チャック
JPH062030Y2 (ja) 1988-09-22 1994-01-19 日本車輌製造株式会社 電食防止型転がり軸受
JP3009516B2 (ja) * 1991-08-21 2000-02-14 エヌティエヌ株式会社 電食防止型転がり軸受
JP3778154B2 (ja) 1996-03-29 2006-05-24 日本精工株式会社 電食防止転がり軸受
JPH10246238A (ja) * 1997-03-06 1998-09-14 Ntn Corp 転がり軸受およびその取付構造
FR2802991B1 (fr) * 1999-12-24 2005-10-07 Ntn Toyo Bearing Co Ltd Palier a roulement resistant a la corrosion electrique par piqures
JP2002048145A (ja) * 2000-08-04 2002-02-15 Ntn Corp 電食防止型転がり軸受
JP4002069B2 (ja) * 2001-01-10 2007-10-31 Ｎｔｎ株式会社 電食防止型軸受における外輪の製造方法
KR100401655B1 (ko) * 2001-01-18 2003-10-17 주식회사 컴텍스 ALE를 이용한 알루미나(Al₂O₃) 유전체 층 형성에 의한 스마트 공정을 이용한 유니본드형 SOI 웨이퍼의 제조방법

Also Published As

Publication number Publication date
EP1528274B1 (en) 2009-06-03
JP2005133876A (ja) 2005-05-26
US20050094910A1 (en) 2005-05-05
EP1528274A2 (en) 2005-05-04
CN100354542C (zh) 2007-12-12
EP1528274A3 (en) 2007-04-04
US7503697B2 (en) 2009-03-17
CN1611803A (zh) 2005-05-04

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